In the poem, I, Too, he noted that the American color line even reached all the way over there.

在诗歌《我也一样》中，他指出美国的肤色界限甚至一路来到了这里。

This meaning is not without interest to you, Gentle Reader; for the problem of the Twentieth Century is the problem of the color line.

亲爱的读者，这种意义能够引起你的兴趣，因为20世纪的问题就是种族界限的问题。”

That is why we need to find new ways to motivate more people to cross class and color lines to join this struggle.

这就是为什么我们需要找到新的方法来激励更多的人跨越阶级和肤色界限加入这场斗争。

And so in 1947, even though most of America was still very segregated, Jackie Robinson broke or crossed that color line – that line that divided blacks and whites – by playing for the Brooklyn Dodgers.

因此，在 1947 年， 尽管美国大部分地区仍然非常种族隔离，但杰基·罗宾逊 (Jackie Robinson) 为布鲁克林道奇队 (Brooklyn Dodgers) 效力， 打破或跨越了那条肤色界限——那条区分黑人和白人的界限。